https://www.npr.org/2023/09/18/ [login to see] /why-the-earliest-galaxies-are-sparking-drama-and-controversy-among-astronomers
The James Webb Space Telescope is the most powerful telescope ever put into space. As such, its helping usher in a new era of astrophysics. Astronomers can now study farther, earlier galaxies than ever before.
"If you were a paleontologist, you would dig deeper and deeper to find the oldest bones. In astronomy, what we do is look at our history," says Jorge Moreno, an associate professor of astronomy at Pomona College. "We have to look back in time, but we don't have a time machine. So what we do is we look at really faraway distances."